From 957070a6b5886719557b6880afa7e3716548c18a Mon Sep 17 00:00:00 2001
From: XScorpion2 <rcalt2vt@gmail.com>
Date: Sun, 25 Aug 2019 14:37:55 -0500
Subject: Added OLED Display autoscroll during periods of OLED data inactivity
 (#6546)

* Added OLED Display autoscroll during periods of OLED data inactivity.

* Fixing compile errors

* Feedback from review
---
 drivers/oled/oled_driver.c | 40 ++++++++++++++++++++++++++++++++++------
 drivers/oled/oled_driver.h |  8 ++++++++
 2 files changed, 42 insertions(+), 6 deletions(-)

(limited to 'drivers/oled')

diff --git a/drivers/oled/oled_driver.c b/drivers/oled/oled_driver.c
index 2b3dd7ff2f..3dad72addb 100644
--- a/drivers/oled/oled_driver.c
+++ b/drivers/oled/oled_driver.c
@@ -114,8 +114,11 @@ bool             oled_active = false;
 bool             oled_scrolling = false;
 uint8_t          oled_rotation = 0;
 uint8_t          oled_rotation_width = 0;
-#if !defined(OLED_DISABLE_TIMEOUT)
-  uint16_t         oled_last_activity;
+#if OLED_TIMEOUT > 0
+  uint32_t         oled_timeout;
+#endif
+#if OLED_SCROLL_TIMEOUT > 0
+  uint32_t         oled_scroll_timeout;
 #endif
 
 // Internal variables to reduce math instructions
@@ -209,6 +212,13 @@ bool oled_init(uint8_t rotation) {
     return false;
   }
 
+#if OLED_TIMEOUT > 0
+  oled_timeout = timer_read32() + OLED_TIMEOUT;
+#endif
+#if OLED_SCROLL_TIMEOUT > 0
+  oled_scroll_timeout = timer_read32() + OLED_SCROLL_TIMEOUT;
+#endif
+
   oled_clear();
   oled_initialized = true;
   oled_active = true;
@@ -457,8 +467,8 @@ void oled_write_ln_P(const char *data, bool invert) {
 #endif // defined(__AVR__)
 
 bool oled_on(void) {
-#if !defined(OLED_DISABLE_TIMEOUT)
-  oled_last_activity = timer_read();
+#if OLED_TIMEOUT > 0
+  oled_timeout = timer_read32() + OLED_TIMEOUT;
 #endif
 
   static const uint8_t PROGMEM display_on[] = { I2C_CMD, DISPLAY_ON };
@@ -522,6 +532,7 @@ bool oled_scroll_off(void) {
       return oled_scrolling;
     }
     oled_scrolling = false;
+    oled_dirty = -1;
   }
   return !oled_scrolling;
 }
@@ -549,15 +560,32 @@ void oled_task(void) {
 
   oled_task_user();
 
+#if OLED_SCROLL_TIMEOUT > 0
+  if (oled_dirty && oled_scrolling) {
+    oled_scroll_timeout = timer_read32() + OLED_SCROLL_TIMEOUT;
+    oled_scroll_off();
+  }
+#endif
+
   // Smart render system, no need to check for dirty
   oled_render();
 
   // Display timeout check
-#if !defined(OLED_DISABLE_TIMEOUT)
-  if (oled_active && timer_elapsed(oled_last_activity) > OLED_TIMEOUT) {
+#if OLED_TIMEOUT > 0
+  if (oled_active && timer_expired32(timer_read32(), oled_timeout)) {
     oled_off();
   }
 #endif
+
+#if OLED_SCROLL_TIMEOUT > 0
+  if (!oled_scrolling && timer_expired32(timer_read32(), oled_scroll_timeout)) {
+#ifdef OLED_SCROLL_TIMEOUT_RIGHT
+    oled_scroll_right();
+#else
+    oled_scroll_left();
+#endif
+  }
+#endif
 }
 
 __attribute__((weak))
diff --git a/drivers/oled/oled_driver.h b/drivers/oled/oled_driver.h
index 03dda2e64a..4f6254c98c 100644
--- a/drivers/oled/oled_driver.h
+++ b/drivers/oled/oled_driver.h
@@ -138,6 +138,14 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
   #define OLED_FONT_HEIGHT 8
 #endif
 
+#if !defined(OLED_TIMEOUT)
+  #if defined(OLED_DISABLE_TIMEOUT)
+    #define OLED_TIMEOUT 0
+  #else
+    #define OLED_TIMEOUT 60000
+  #endif
+#endif
+
 // OLED Rotation enum values are flags
 typedef enum {
     OLED_ROTATION_0   = 0,
-- 
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